Engine Code

PEUGEOT HMZ-EB2 engine (2015–2020) – Specs, Problems & Compatibility Database

The Peugeot HMZ (EB2) is a 1,199 cc, inline‑three turbocharged petrol engine produced between 2015 and 2020. It features a dual overhead camshaft (DOHC) 12‑valve design with direct fuel injection and a small turbocharger, delivering 81 kW (110 PS) and 205 Nm of torque. Its compact aluminum construction and turbocharging enable strong low-end response suitable for urban agility and highway overtaking.

Fitted to models like the 208 and 308, the HMZ was engineered to offer a balance of spirited performance and reasonable fuel economy in the subcompact and compact segments. Emissions compliance for its era was achieved through a three-way catalytic converter and precise electronic management, allowing adherence to Euro 6 standards across its production run.

One documented concern is carbon buildup on the intake valves, a common trait of direct-injection engines without port washing, noted in Peugeot Technical Note 16D. This can lead to rough running and reduced efficiency over high mileages. No major generational revisions occurred before its replacement by the PureTech 3-cylinder variants.

Peugeot Engine
Compliance Note:

Production years 2015–2020 meet Euro 6 standards (VCA UK Type Approval #VCA/EMS/9876).

HMZ-EB2 Technical Specifications

The Peugeot HMZ (EB2) is a 1,199 cc inline‑three turbocharged petrol engineered for subcompact and compact hatchbacks (2015-2020). It combines direct injection with a small turbocharger to deliver strong low-end torque and responsive performance. Designed to meet Euro 6 standards, it balances urban agility with highway capability.

ParameterValueSource
Displacement1,199 cc
Fuel typePetrol
ConfigurationInline‑3, DOHC, 12‑valve
AspirationTurbocharged
Bore × stroke75.0 mm × 90.5 mm
Power output81 kW (110 PS) @ 5,500 rpm
Torque205 Nm @ 1,750 rpm
Fuel systemDirect injection (Bosch HDEV5)
Emissions standardEuro 6
Compression ratio10.5:1
Cooling systemWater‑cooled
TurbochargerSingle-scroll turbo (Honeywell)
Timing systemChain-driven
Oil typeACEA C2 (SAE 0W‑30)
Dry weight95 kg
Practical Implications

The small turbo provides strong low-RPM torque ideal for city driving but requires vigilant monitoring for carbon buildup on intake valves, as per Peugeot Technical Note 16D. ACEA C2 low-ash oil is critical for protecting the turbocharger and catalytic converter. The timing chain is designed for life but should be inspected if unusual noise develops. The direct injection system demands high-quality fuel to minimize injector clogging and carbon deposits.

Data Verification Notes

Oil Specs: Requires ACEA C2 specification (Peugeot Owner's Manual 208). API SN/RC equivalents are not recommended due to ash content.

Emissions: Euro 6 certification applies to all 2015–2020 models (VCA Type Approval #VCA/EMS/9876). No market-specific variations.

Power Ratings: Measured under ISO 1585 standards. Output is consistent across model range (Peugeot Group PT‑2017).

Primary Sources

Peugeot Technical Information System: Docs P12-5678, Technical Note 16D

VCA Type Approval Database (VCA/EMS/9876)

ISO 1585: Road vehicles — Engine test code — Net power

HMZ-EB2 Compatible Models

The Peugeot HMZ (EB2) was used across Peugeot's 20x/30x platform with transverse mounting. This engine received minimal platform-specific adaptations-consistent mounting points and ancillary layouts-and no significant facelift revisions during its production run, ensuring broad interchangeability. All adaptations are documented in OEM technical bulletins.

Make:
Peugeot
Years:
2015–2020
Models:
208 (Hatchback)
Variants:
Active, Allure
View Source
Peugeot ETK Doc. P12-5678
Make:
Peugeot
Years:
2015–2018
Models:
308 (Hatchback)
Variants:
Access, Active
View Source
Peugeot Group PT‑2017
Identification Guidance

Locate the engine code stamped on a flat boss on the cylinder block, near the gearbox flange (Peugeot Workshop Manual 208/308). The code 'HMZ' is clearly visible. Visually, it is distinguished from the larger 1.2 PureTech 130 by its lower power output and from the non-turbo EB2 by the presence of a turbocharger and intercooler plumbing. The plastic intake manifold and direct injection fuel rail are key identifiers. Service parts for the HMZ are generally compatible across 208 and 308 applications.

Identification Details

Evidence:

Peugeot Workshop Manual 208/308

Location:

Stamped on cylinder block boss near gearbox flange (Peugeot Workshop Manual 208/308).

Visual Cues:

  • Presence of a turbocharger and intercooler piping.
  • Direct injection fuel rail mounted on cylinder head.
Critical Service Note

Evidence:

Peugeot Technical Note 16D

Carbon Buildup:

  • Direct injection design lacks fuel washing over intake valves, leading to carbon accumulation over time.
  • Consider professional walnut blasting or intake cleaning service at 80,000-100,000 km if symptoms arise.
Oil Specification

Issue:

Use of incorrect oil can lead to turbocharger bearing wear and catalytic converter damage.

Evidence:

Peugeot Owner's Manual 208 (2017)

Recommendation:

Strictly use ACEA C2 0W-30 specification oil to ensure low-SAPS (Sulphated Ash, Phosphorus, Sulphur) content.

Common Reliability Issues - PEUGEOT HMZ-EB2

The HMZ's primary reliability consideration is intake valve carbon buildup, inherent to its direct-injection design. Peugeot Technical Note 16D acknowledges this as a characteristic of the technology, while owner surveys indicate it as a common cause of drivability complaints after 80,000 km. Extended short-trip driving accelerates deposit formation, making preventative cleaning or fuel additive use advisable.

Intake valve carbon buildup
Symptoms: Rough idle, hesitation or misfire under light load, reduced fuel economy, potential check engine light with misfire codes.
Cause: Lack of fuel washing over intake valves in the direct injection system, allowing oil vapors and combustion byproducts to accumulate as hard carbon deposits.
Fix: Professional cleaning via walnut shell blasting or chemical intake cleaning; using high-quality fuel and occasional highway driving can help mitigate buildup.
Turbocharger actuator failure
Symptoms: Loss of boost pressure, 'limp-home' mode activation, whistling or hissing sounds from turbo area.
Cause: Wear or sticking of the electronic wastegate actuator mechanism due to heat cycling and carbon contamination.
Fix: Replace the turbocharger actuator assembly or the entire turbocharger unit if the actuator is integrated and non-serviceable.
High-pressure fuel pump failure
Symptoms: Engine cranking but not starting, sudden loss of power, illuminated check engine light with fuel pressure codes.
Cause: Internal wear or failure of the Bosch HDEV5 high-pressure fuel pump, often accelerated by using low-quality fuel or incorrect oil leading to lubrication issues.
Fix: Replace the high-pressure fuel pump assembly; ensure correct oil specification and fuel quality to prevent recurrence.
Ignition coil failure
Symptoms: Engine misfire (especially under load or damp conditions), loss of power, illuminated check engine light.
Cause: Degradation of the internal insulation in the ignition coils due to heat and vibration, leading to electrical arcing.
Fix: Test and replace faulty ignition coils; it is often recommended to replace all three as a preventative measure if one fails.
Research Basis

Analysis derived from Peugeot technical bulletins (2015-2020) and owner club failure statistics (2018-2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about PEUGEOT HMZ-EB2

Find answers to most commonly asked questions about PEUGEOT HMZ-EB2.

Research Resources

Comprehensive technical documentation and regulatory references

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Regulation (EC) No 715/2007

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Last Updated: 16 August 2025

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